Ariharan Thiagarajan — CEO

Highly self-motivated, goal-oriented, professional Stream Head, ISTQB, Scrum Master,SAFe,CMMi certified, with 18 years of experience delivering effectively to time and budget on a variety of complex, large-scale projects in Telecom and IT sectors. Primarily as Stream Head role for Convergent Charging & Digital Experience solutions in customer delivery for global customers. TECHNICAL SKILLS AND EXPERIENCE • Experienced at managing multiple on-going projects globally, primarily in customer delivery involving Deployment in cloud-native solutions/Saas, Business analysis and configuration. • Leading a team of 50+ engineers globally in delivering Systems Integration & Verification, Customer Migration and Business Acceptance testing. • Technical Team involves Charging and Policy SMEs who can deliver Design for 4G/5G architecture and Automation in CI/CD Pipeline and sub-contracting via both on- and off-shore models. • Strategic thinker, with an eye to the detail, developing and executing clear Project Strategies, Delivery Process, Planning & Estimation and test c in structured and SAFe Agile development environments, performing all types of delivery activities for Telecom and web based applications. • Management Tool experience: HPQC, ALM, ClearQuest, Clearcase, and Bugzilla. • Automation & CI/CD Tool experience: Git/Gerrit, Jenkins, Robo (RIDE), CCTF, Artifactory. • Telecom Testing tools: Spectra 2, SITE, Abacus load genzerator, SAGE tester, T1/T3/SONET Analysers, SoapUI, Voice tool, J-Meter, Winrunner, Loadrunner. • Cloud Native experience: VNFs - Openstack, VMware, CBIS, CBAM. CNFs - Openstack, VMware, Docker, kubernetes, NCS, other public cloud environments. • Working experience in different charging and signalling protocols such as SIP, http2,Diameter, INAP, SS7, CAMEL, MGCP, SOAP, CORBA, SIGTRAN and other Telco protocols in 4G/5G architecture. • Databases - Oracle, MySQL, TimesTen, Maria DB. • Development and scripting languages - Perl, Shell, Python, TCL/Tk. • In-depth CMMI Level 3 Quality Assurance and SCAMPI Auditing knowledge and experience. • Strong working experience in Research and Development projects for IMS Application Servers, Fixed Mobile Convergence Solutions, Next Generation Digital Loop carrier and Prepaid NGIN. • Solid integration experience for solutions involving multi-vendor Billing and Mediation Systems and Wireline IN Systems.

Stackforce AI infers this person is a Telecom and IT expert with extensive experience in Agile and cloud-native solutions.

Location: Bengaluru, Karnataka, India

Experience: 22 yrs 6 mos

Skills

Customer Delivery
Agile Methodologies
Customer Satisfaction
Technical Subject Matter Expertise
Test Management
Agile Methodology
Telecom Testing
Web Application Testing

Career Highlights

18 years of experience in Telecom and IT sectors.
Led global teams of over 110 engineers.
Expert in Agile methodologies and cloud-native solutions.

Work Experience

Nokia

Domain Delivery Leader APAC (2 yrs 3 mos)

Stream Head - Global Services for Charging/Digital Experience solutions (3 yrs 11 mos)

Delivery Lead - Asia Pacific (5 mos)

Test and integration Manager (3 yrs)

Test Manager (2 yrs 9 mos)

Test Leader (2 yrs 2 mos)

Software Test Engineer/Test Lead (3 yrs 8 mos)

Technical Leader (3 yrs 3 mos)

Baypackets Technologies India Pvt Ltd

Member Technical Staff (4 mos)

Axes Technologies (India) Pvt Ltd

Member (9 mos)

Education

Post Graduate Diploma at Telecommunications Consultants of India Limited

Bachelors of Engineering at Bharathidasan University

Ariharan Thiagarajan

CEO

Bengaluru, Karnataka, India22 yrs 6 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

18 years of experience in Telecom and IT sectors.
Led global teams of over 110 engineers.
Expert in Agile methodologies and cloud-native solutions.

Stackforce AI infers this person is a Telecom and IT expert with extensive experience in Agile and cloud-native solutions.

Contact

Skills

Core Skills

Customer DeliveryAgile MethodologiesCustomer SatisfactionTechnical Subject Matter ExpertiseTest ManagementAgile MethodologyTelecom TestingWeb Application Testing

Other Skills

3GAttach servicesBusiness Acceptance TestingClearCaseCloud-native solutionsConvergent ChargingDefect TrackingDiameterDigital Experience solutionsFunctional TestingGPRSGSMHP Quality CenterIPIntegration

About

Experience

22 yrs 6 mos

Total Experience

7 yrs 6 mos

Average Tenure

21 yrs 5 mos

Current Experience

Nokia

8 roles

Domain Delivery Leader APAC

Promoted

Mar 2024 – Present · 2 yrs 3 mos

Domain Delivery Leader for APAC region - Charging & Mediation

Stream Head - Global Services for Charging/Digital Experience solutions

Promoted

Mar 2020 – Feb 2024 · 3 yrs 11 mos

> Leading a global team of 110+ Engineers and SMEs primarily in customer delivery for Convergent Charging/Policy/IoT in 4G/5G architecture via cloud-native/Saas based solutions.
> Ensure consistency in Service Execution across the globe
> Delivery on-time and on-budget with quality scopes of work as defined by Market Services
> Evolve Agile based delivery model through continued innovation, automation and DevOps Implementation.
> Balancing workforce capability to meet market demand.
> Competency Development for team and other Line management activities.

Convergent ChargingDigital Experience solutionsCustomer deliveryCloud-native solutionsSaaSAgile methodologies

Delivery Lead - Asia Pacific

Oct 2019 – Mar 2020 · 5 mos

> Lead delivery of attach services (20+ engineers) through the Market Services function; ensure timely delivery on budget and ensure quality & Customer Satisfaction.
> Strategic advisor addressing customer needs through focused and differentiated solutions.
> Provide technical subject matter expertise and support pre-sales activities for multiple domains/solutions, in collaboration with Product organizations
> Gather, understand and synthesize customer’s detailed technical requirements, drive the offer solution strategy and lead technical development activities
> Competency Development for the team and other Line Management Activities.

Attach servicesCustomer satisfactionTechnical subject matter expertisePre-sales activities

Test and integration Manager

Sep 2016 – Sep 2019 · 3 yrs

As a Test Manager, reporting to Delivery Lead for Optus and Telstra Wireline IN platforms as well as Telstra and Vodafone Mobile Prepaid IN platforms across range of projects from near real-time reporting server, Boost mobile enhancements, SMS recharge, webserver and CDR enhancements , capacity expansion and several Maintenance releases.
Managed a team of 5 Test Engineers (permanent, contractors & 3rd-party staff including off-shore testers), developing Manual/Automation and risk-based Testing Strategies in a fast-paced customer-facing business model.
Lead, Manage and Drive test teams in Agile and V-Model methodology for Feature Integration, System Integration, Load/Performance testing.
Co-ordinate Business Acceptance and User Acceptance Testing with Customer and Service Delivery departments.
Used Quality Center/ALM to report on test progress to the Customer and Program management; managed issues; produced Test Metrics and Test Completion Reports.
Complete responsibility of all Test activities and deliverables.
Active participation in Product Requirement meetings with the stakeholders on Testability.
Arrange and conduct review, defect triage and decision review meetings.
Training to test team on new technologies and tools.
Completed all the projects on time and in budget to challenging deadlines.

Test ManagementAgile methodologyRisk-based Testing StrategiesBusiness Acceptance TestingUser Acceptance Testing

Test Manager

Promoted

Dec 2013 – Sep 2016 · 2 yrs 9 mos

As a Test Manager, reporting to Delivery Lead for Optus and Telstra Wireline IN platforms as well as Telstra and Vodafone Mobile Prepaid IN platforms across range of projects from near real-time reporting server, Boost mobile enhancements, SMS recharge, webserver and CDR enhancements , capacity expansion and several Maintenance releases.
Managed a team of 5 Test Engineers (permanent, contractors & 3rd-party staff including off-shore testers), developing Manual/Automation and risk-based Testing Strategies in a fast-paced customer-facing business model.
Lead, Manage and Drive test teams in Agile and V-Model methodology for Feature Integration, System Integration, Load/Performance testing.
Co-ordinate Business Acceptance and User Acceptance Testing with Customer and Service Delivery departments.
Used Quality Center/ALM to report on test progress to the Customer and Program management; managed issues; produced Test Metrics and Test Completion Reports.
Complete responsibility of all Test activities and deliverables.
Active participation in Product Requirement meetings with the stakeholders on Testability.
Arrange and conduct review, defect triage and decision review meetings.
Training to test team on new technologies and tools.
Completed all the projects on time and in budget to challenging deadlines.

Test ManagementAgile methodologyRisk-based Testing StrategiesBusiness Acceptance TestingUser Acceptance Testing

Test Leader

Sep 2011 – Nov 2013 · 2 yrs 2 mos

Telecom and Web Application Testing: V- Model - C;C++; Java; Solaris; Linux; Shell; Perl; Oracle; TimesTen; SQL; SharePoint; HPQC; JMeter; SoapUI; Spectra 2;
As a Test Leader, reporting to Test Manager for Optus and Telstra Wireline IN platforms as well as Telstra Mobile Prepaid IN platforms.
Involved in several projects including Optus Wireline IN Migration, Kilobyte Charging, Mobile Cell ID Changes, webserver enhancements and several Maintenance releases.
Managed a team of 3 Test Engineers.
Prepare, Review and execute manual, automation and performance test strategies, test plans and test cases.
Functional and Non-functional testing of Telecom software, web based applications, Database based Processing tools, and Cloud based applications.
Lead and Manage test teams in V-Model.
Analyzed the existing testing process and submitted the report to improve the process and estimated the efforts.
Conduct and Manage Customer demo of Products and Solutions.
Investigation and root-cause analysis of issues identified during testing.
Works closely with the Testing team for Feature Integration Testing (FIT), System Internal Testing (SIT) and User Acceptance Testing (UAT) to ensure that the test cases are executed correctly.
Provides weekly progress and status report to the project stakeholders.
Protocols used: INAP, CAMEL, SCCP, SIP, SOAP, CAMEL, Diameter, HTTP, CORBA

Telecom and Web Application TestingV-ModelFunctional TestingPerformance TestingTelecom TestingWeb Application Testing

Software Test Engineer/Test Lead

Promoted

Dec 2007 – Aug 2011 · 3 yrs 8 mos

Telecom and Web Application Testing: V- Model - C;C++; Java; Solaris; Linux; Shell; Perl; Oracle; MySQL; HPQC; JMeter; SoapUI; Spectra 2;
As a Software Test Engineer/Lead, Reporting to Technical Project Manager for Optus Wireline IN platform , Telstra-CAMGSM-Vietnam VMS Mobile Prepaid IN platform as well as Telstra IMS Transformation model.
Testing projects involving Caching CDRs using TimesTen database, Data Migration, Reporting Servers, Mobile, Data, SMS call handling enhancements and several Maintenance releases.
Create, review and assess Test Plans and Test Cases.
Responsible for conducting functional, performance, end-to-end and regression testing for any changes to be implemented into the production AAPT environment.
Reviews the High Level Design (HLD) and works closely with solution architects in identifying solution gaps and possible integration issues.
Functional and Non-functional testing of Telecom software and web based applications.
Set up test bed for Telecom and Web applications testing
Conduct Customer demo of Products and Solutions.
Support testing team with IMS configuration environments.
Protocols used: INAP, CAMEL, SCCP, SIP, SOAP, CAMEL, Diameter, HTTP, CORBA

Telecom and Web Application TestingV-ModelFunctional TestingPerformance TestingTelecom TestingWeb Application Testing

Technical Leader

Sep 2004 – Dec 2007 · 3 yrs 3 mos

Telecom and Web Application Testing: V- Model - C;C++; Solaris; Linux; Shell; Oracle; SoapUI;
Reporting to Team Leader for several Research and Development Projects involving Next Generation IN, Fixed-Mobile Convergence solutions, IMS Application Servers and SIP Application Servers.
Lead Integration and testing activities for a fixed-Mobile convergence project involves next generation mobile (e.g.: GSM and WiFi) that allow a user to make and receive calls using either the mobile infrastructure or the fixed infrastructure using only one phone number and requiring only one handset.
Involved in a demo project called Hybriphone for BT-Fusion (Spain), is a first generation of Fixed Mobile Convergence (FMC) solution using GSM and Bluetooth access points.
Prepare, Review and execute manual, automation and performance test strategies, test plans and test cases.
Successfully integrated and tested Alcatel-Lucent’s IMS Application server with all other IMS Network Elements.
Lead integration team and participated in Project Core Meetings for technical discussions and new feature enhancements.
Supported different Customer trials & demos for BT, Telephonica (Spain) as well as for CeBIT (Germany).
Protocols used: INAP, CAMEL, SCCP, SIP, SOAP, CAMEL, Diameter, ISDN, CTP over Bluetooth.

Telecom and Web Application TestingWaterfall ModelFunctional TestingPerformance TestingTelecom TestingWeb Application Testing

Baypackets technologies india pvt ltd

Member Technical Staff

Apr 2004 – Aug 2004 · 4 mos · Noida, Uttar Pradesh, India

Telecom and Web Application Testing: Waterfall Model - C;C++; Linux; Shell; Oracle; Winrunner;Loadrunner;Bugzilla
As a Test Engineer, Reporting to Test Lead for a flexible IP-based prepaid solution that offers a comprehensive feature set to allow service providers the ability to quickly deploy a complete prepaid service on both wireline and wireless networks.
Integration includes real-time national and international call rating; charging framework for not only voice calls but also data services and multi-media sessions.
Involved in User-interface testing for a customized web portal; multi-language and multi-currency support; and web-based self-provisioning.
Establish Test Plans, Specifications and Procedures for the solution developed: Unit Testing, System Acceptance Test, User Acceptance Test and Regression Test.
Supported customer testing activites for SBB-Japan.
Protocols used: SIP, MGCP.

Telecom TestingWaterfall ModelFunctional TestingPerformance TestingWeb Application Testing

Axes technologies (india) pvt ltd

Member

Jul 2003 – Apr 2004 · 9 mos · Bengaluru, Karnataka, India

Telecom Testing: Waterfall Model - C;C++; Linux; Shell; INET Spectra, Abacus load generator, SAGE tester, T1/T3/SONET Analysers; TCL/Tk
Executed Functional and load/performance testing for a Next-Generation Digital Loop carrier system involving U4W Remote Terminal (RT) and Central Office Terminal (COT) line units.
Functional testing for MTP level 3 layer of SS7 network using INET Spectra system considering Alcatel-Lucent STP as System Under Test.
Both traffic and route management messages are tested and a detailed report is prepared about the results that are obtained after the testing is done.

Telecom TestingWaterfall ModelFunctional TestingPerformance Testing